/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:10,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:10,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:10,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:10,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:10,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:10,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:10,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:10,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:10,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:10,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:10,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:10,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:10,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:10,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:10,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:10,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:10,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:10,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:10,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:10,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:10,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:10,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:10,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:10,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:10,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:10,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:10,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:10,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:10,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:10,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:10,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:10,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:10,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:10,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:10,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:10,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:10,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:10,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:10,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:10,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:10,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:53:10,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:10,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:10,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:10,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:10,202 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:10,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:10,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:10,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:10,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:10,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:10,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:10,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:10,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:10,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:10,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:10,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:10,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:10,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:10,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:10,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:10,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:10,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:10,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:10,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:10,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:10,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:10,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:10,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:10,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:10,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:53:10,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:10,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:10,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:10,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:10,717 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:10,718 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-24 15:53:10,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4242c9998/4bfdfe510373426380d9e67a0fe14ae5/FLAG820696559 [2020-09-24 15:53:11,385 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:53:11,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-24 15:53:11,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4242c9998/4bfdfe510373426380d9e67a0fe14ae5/FLAG820696559 [2020-09-24 15:53:11,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4242c9998/4bfdfe510373426380d9e67a0fe14ae5 [2020-09-24 15:53:11,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:53:11,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:53:11,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:11,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:53:11,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:53:11,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:11" (1/1) ... [2020-09-24 15:53:11,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:11, skipping insertion in model container [2020-09-24 15:53:11,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:11" (1/1) ... [2020-09-24 15:53:11,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:53:11,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:53:12,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:12,253 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:53:12,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:12,409 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:53:12,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12 WrapperNode [2020-09-24 15:53:12,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:12,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:53:12,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:53:12,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:53:12,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... [2020-09-24 15:53:12,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:53:12,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:53:12,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:53:12,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:53:12,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:53:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:53:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:53:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:53:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:53:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:53:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:53:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:53:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:53:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:53:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:53:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:53:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:53:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:53:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:53:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:53:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:53:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:53:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:53:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:53:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:53:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:53:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:53:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:53:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:53:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:53:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:53:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:53:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:53:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:53:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:53:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:53:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:53:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:53:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:53:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:53:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:53:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:53:13,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:53:13,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:53:13,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:13 BoogieIcfgContainer [2020-09-24 15:53:13,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:53:13,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:53:13,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:53:13,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:53:13,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:53:11" (1/3) ... [2020-09-24 15:53:13,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:13, skipping insertion in model container [2020-09-24 15:53:13,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:12" (2/3) ... [2020-09-24 15:53:13,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:13, skipping insertion in model container [2020-09-24 15:53:13,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:13" (3/3) ... [2020-09-24 15:53:13,873 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-09-24 15:53:13,884 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:53:13,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:53:13,914 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:53:13,947 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:53:13,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:53:13,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:53:13,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:53:13,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:53:13,948 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:53:13,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:53:13,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:53:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-24 15:53:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:53:13,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:13,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:13,999 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash 339982816, now seen corresponding path program 1 times [2020-09-24 15:53:14,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:14,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016763835] [2020-09-24 15:53:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:53:14,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:53:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,838 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:14,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:14,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:53:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:15,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:53:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:15,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016763835] [2020-09-24 15:53:15,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:15,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:53:15,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279377520] [2020-09-24 15:53:15,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:53:15,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:15,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:53:15,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:15,094 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 4 states. [2020-09-24 15:53:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:16,326 INFO L93 Difference]: Finished difference Result 493 states and 574 transitions. [2020-09-24 15:53:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:16,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:16,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:16,359 INFO L225 Difference]: With dead ends: 493 [2020-09-24 15:53:16,360 INFO L226 Difference]: Without dead ends: 312 [2020-09-24 15:53:16,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:16,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-24 15:53:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 266. [2020-09-24 15:53:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-24 15:53:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 287 transitions. [2020-09-24 15:53:16,490 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 287 transitions. Word has length 160 [2020-09-24 15:53:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:16,493 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 287 transitions. [2020-09-24 15:53:16,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 287 transitions. [2020-09-24 15:53:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:16,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:16,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:16,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:16,504 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:16,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:16,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1492853456, now seen corresponding path program 1 times [2020-09-24 15:53:16,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:16,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883974962] [2020-09-24 15:53:16,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:16,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:16,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:16,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:16,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:16,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:16,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:16,956 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:16,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:16,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:16,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:16,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:16,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:16,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:17,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:17,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:17,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:17,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:17,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:17,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:17,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:17,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:17,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:17,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:53:17,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:17,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:17,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883974962] [2020-09-24 15:53:17,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:17,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:17,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736395673] [2020-09-24 15:53:17,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:17,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:17,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:17,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:17,207 INFO L87 Difference]: Start difference. First operand 266 states and 287 transitions. Second operand 5 states. [2020-09-24 15:53:17,929 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:18,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:18,846 INFO L93 Difference]: Finished difference Result 418 states and 466 transitions. [2020-09-24 15:53:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:18,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:18,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:18,852 INFO L225 Difference]: With dead ends: 418 [2020-09-24 15:53:18,852 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:53:18,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:18,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:53:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 256. [2020-09-24 15:53:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-24 15:53:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 274 transitions. [2020-09-24 15:53:18,896 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 274 transitions. Word has length 161 [2020-09-24 15:53:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:18,897 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 274 transitions. [2020-09-24 15:53:18,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 274 transitions. [2020-09-24 15:53:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:53:18,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:18,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:18,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:18,901 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:18,901 INFO L82 PathProgramCache]: Analyzing trace with hash -286261696, now seen corresponding path program 1 times [2020-09-24 15:53:18,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:18,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034007793] [2020-09-24 15:53:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:18,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:53:18,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:53:18,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:53:18,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:18,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:53:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,340 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:19,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:19,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:19,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:53:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:53:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:19,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034007793] [2020-09-24 15:53:19,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:19,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:53:19,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300033612] [2020-09-24 15:53:19,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:53:19,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:19,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:53:19,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:53:19,520 INFO L87 Difference]: Start difference. First operand 256 states and 274 transitions. Second operand 6 states. [2020-09-24 15:53:20,036 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:21,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:21,071 INFO L93 Difference]: Finished difference Result 465 states and 531 transitions. [2020-09-24 15:53:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:53:21,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:21,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:21,078 INFO L225 Difference]: With dead ends: 465 [2020-09-24 15:53:21,078 INFO L226 Difference]: Without dead ends: 324 [2020-09-24 15:53:21,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-24 15:53:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 256. [2020-09-24 15:53:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-24 15:53:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2020-09-24 15:53:21,133 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 174 [2020-09-24 15:53:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:21,134 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2020-09-24 15:53:21,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2020-09-24 15:53:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-24 15:53:21,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:21,137 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:21,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:21,138 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:21,138 INFO L82 PathProgramCache]: Analyzing trace with hash 24909347, now seen corresponding path program 1 times [2020-09-24 15:53:21,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:21,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406288669] [2020-09-24 15:53:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:53:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 15:53:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:21,602 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:21,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:21,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:21,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:21,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:21,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:21,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:21,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:21,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:21,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:53:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:53:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:21,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:22,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406288669] [2020-09-24 15:53:22,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:22,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:22,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562118475] [2020-09-24 15:53:22,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:22,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:22,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:22,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:22,016 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand 8 states. [2020-09-24 15:53:22,734 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:24,808 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:25,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:25,410 INFO L93 Difference]: Finished difference Result 645 states and 764 transitions. [2020-09-24 15:53:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:53:25,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-09-24 15:53:25,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:25,416 INFO L225 Difference]: With dead ends: 645 [2020-09-24 15:53:25,416 INFO L226 Difference]: Without dead ends: 504 [2020-09-24 15:53:25,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-09-24 15:53:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 366. [2020-09-24 15:53:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-24 15:53:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 396 transitions. [2020-09-24 15:53:25,518 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 396 transitions. Word has length 182 [2020-09-24 15:53:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:25,520 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 396 transitions. [2020-09-24 15:53:25,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 396 transitions. [2020-09-24 15:53:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:53:25,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:25,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:25,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:25,523 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:25,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:25,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1649506493, now seen corresponding path program 1 times [2020-09-24 15:53:25,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:25,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124022351] [2020-09-24 15:53:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:25,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -88 [2020-09-24 15:53:25,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 88 [2020-09-24 15:53:25,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:53:25,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 15:53:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,899 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:25,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:25,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:25,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:25,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:26,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:26,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:26,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:26,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:26,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:26,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:26,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:26,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:53:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:53:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:53:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:26,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:26,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:26,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:26,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:26,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:26,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:26,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:26,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:26,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124022351] [2020-09-24 15:53:26,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:26,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:26,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406252411] [2020-09-24 15:53:26,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:26,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:26,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:26,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:26,173 INFO L87 Difference]: Start difference. First operand 366 states and 396 transitions. Second operand 10 states. [2020-09-24 15:53:27,419 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:27,712 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:27,991 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:28,312 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:28,591 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:29,600 INFO L93 Difference]: Finished difference Result 760 states and 902 transitions. [2020-09-24 15:53:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:53:29,601 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-09-24 15:53:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:29,605 INFO L225 Difference]: With dead ends: 760 [2020-09-24 15:53:29,605 INFO L226 Difference]: Without dead ends: 509 [2020-09-24 15:53:29,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:29,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-09-24 15:53:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 372. [2020-09-24 15:53:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-09-24 15:53:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 402 transitions. [2020-09-24 15:53:29,657 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 402 transitions. Word has length 206 [2020-09-24 15:53:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:29,658 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 402 transitions. [2020-09-24 15:53:29,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 402 transitions. [2020-09-24 15:53:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-24 15:53:29,661 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:29,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:29,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:29,661 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:29,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:29,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1223219939, now seen corresponding path program 1 times [2020-09-24 15:53:29,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:29,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137547710] [2020-09-24 15:53:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-24 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-24 15:53:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,093 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:30,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:30,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:30,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:30,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:30,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:30,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:53:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:30,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:30,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:30,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:30,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:30,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:53:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:30,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:30,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:30,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:53:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:30,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:30,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:30,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137547710] [2020-09-24 15:53:30,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:30,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:30,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844161867] [2020-09-24 15:53:30,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:30,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:30,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:30,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:30,404 INFO L87 Difference]: Start difference. First operand 372 states and 402 transitions. Second operand 11 states. [2020-09-24 15:53:30,909 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:31,854 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:32,173 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:53:33,269 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:33,570 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:33,936 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:34,575 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:34,880 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:35,179 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:35,582 INFO L93 Difference]: Finished difference Result 766 states and 895 transitions. [2020-09-24 15:53:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:53:35,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-24 15:53:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:35,586 INFO L225 Difference]: With dead ends: 766 [2020-09-24 15:53:35,586 INFO L226 Difference]: Without dead ends: 509 [2020-09-24 15:53:35,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:53:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-09-24 15:53:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 371. [2020-09-24 15:53:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-09-24 15:53:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 399 transitions. [2020-09-24 15:53:35,643 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 399 transitions. Word has length 206 [2020-09-24 15:53:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:35,644 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 399 transitions. [2020-09-24 15:53:35,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 399 transitions. [2020-09-24 15:53:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 15:53:35,647 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:35,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:35,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:35,648 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:35,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:35,648 INFO L82 PathProgramCache]: Analyzing trace with hash 228243133, now seen corresponding path program 1 times [2020-09-24 15:53:35,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:35,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913581939] [2020-09-24 15:53:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 15:53:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:35,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,031 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:36,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:36,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:36,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:36,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:53:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:36,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:53:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:53:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:36,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913581939] [2020-09-24 15:53:36,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:36,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:36,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667460927] [2020-09-24 15:53:36,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:36,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:36,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:36,370 INFO L87 Difference]: Start difference. First operand 371 states and 399 transitions. Second operand 11 states. [2020-09-24 15:53:37,735 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:38,027 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:38,326 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:38,624 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:38,965 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:39,296 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:40,358 INFO L93 Difference]: Finished difference Result 769 states and 906 transitions. [2020-09-24 15:53:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:40,363 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-24 15:53:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:40,370 INFO L225 Difference]: With dead ends: 769 [2020-09-24 15:53:40,370 INFO L226 Difference]: Without dead ends: 513 [2020-09-24 15:53:40,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-09-24 15:53:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 379. [2020-09-24 15:53:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-09-24 15:53:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 407 transitions. [2020-09-24 15:53:40,424 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 407 transitions. Word has length 229 [2020-09-24 15:53:40,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:40,424 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 407 transitions. [2020-09-24 15:53:40,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 407 transitions. [2020-09-24 15:53:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 15:53:40,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:40,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:40,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:40,428 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1047570778, now seen corresponding path program 1 times [2020-09-24 15:53:40,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:40,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174143338] [2020-09-24 15:53:40,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:53:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 15:53:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,796 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:53:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:40,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:40,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:53:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:40,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:53:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:41,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:41,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:53:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:53:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:41,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:41,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:41,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:41,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:41,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:41,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:41,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174143338] [2020-09-24 15:53:41,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:41,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:41,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265196934] [2020-09-24 15:53:41,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:41,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:41,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:41,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:41,091 INFO L87 Difference]: Start difference. First operand 379 states and 407 transitions. Second operand 8 states. [2020-09-24 15:53:41,686 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:42,333 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:44,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:44,853 INFO L93 Difference]: Finished difference Result 1095 states and 1318 transitions. [2020-09-24 15:53:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:53:44,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-09-24 15:53:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:44,860 INFO L225 Difference]: With dead ends: 1095 [2020-09-24 15:53:44,860 INFO L226 Difference]: Without dead ends: 831 [2020-09-24 15:53:44,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:53:44,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-09-24 15:53:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 624. [2020-09-24 15:53:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-09-24 15:53:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 686 transitions. [2020-09-24 15:53:44,937 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 686 transitions. Word has length 229 [2020-09-24 15:53:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:44,938 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 686 transitions. [2020-09-24 15:53:44,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 686 transitions. [2020-09-24 15:53:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:53:44,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:44,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:44,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:44,942 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash 755772471, now seen corresponding path program 1 times [2020-09-24 15:53:44,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:44,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124049468] [2020-09-24 15:53:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:45,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -58 [2020-09-24 15:53:45,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 58 [2020-09-24 15:53:45,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:53:45,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-24 15:53:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:45,460 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:45,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:53:45,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:45,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:45,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:45,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:45,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:45,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:45,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:45,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:53:45,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:45,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:45,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:45,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:53:45,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:53:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:45,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:45,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:45,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:45,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:45,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:53:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:45,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:45,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:53:45,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:45,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:45,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:45,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:53:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:45,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:45,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:45,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:53:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:45,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:45,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:45,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:45,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:45,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:46,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124049468] [2020-09-24 15:53:46,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:46,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:53:46,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770149198] [2020-09-24 15:53:46,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:46,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:46,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:46,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:46,057 INFO L87 Difference]: Start difference. First operand 624 states and 686 transitions. Second operand 15 states. [2020-09-24 15:53:46,687 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:47,564 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:49,028 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:49,342 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:49,737 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:50,055 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:50,372 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:50,688 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:51,105 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:51,416 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:53,059 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:53,350 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:53,655 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:54,319 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:55,437 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:53:56,019 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:53:56,689 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:57,676 INFO L93 Difference]: Finished difference Result 1898 states and 2275 transitions. [2020-09-24 15:53:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-24 15:53:57,676 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2020-09-24 15:53:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:57,684 INFO L225 Difference]: With dead ends: 1898 [2020-09-24 15:53:57,685 INFO L226 Difference]: Without dead ends: 1491 [2020-09-24 15:53:57,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=728, Invalid=2694, Unknown=0, NotChecked=0, Total=3422 [2020-09-24 15:53:57,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-09-24 15:53:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1055. [2020-09-24 15:53:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-09-24 15:53:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1152 transitions. [2020-09-24 15:53:57,872 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1152 transitions. Word has length 234 [2020-09-24 15:53:57,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:57,873 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1152 transitions. [2020-09-24 15:53:57,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:53:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1152 transitions. [2020-09-24 15:53:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-24 15:53:57,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:57,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:57,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:57,880 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:57,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:57,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1791853647, now seen corresponding path program 1 times [2020-09-24 15:53:57,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:57,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993276630] [2020-09-24 15:53:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:57,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:57,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -141 [2020-09-24 15:53:57,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 141 [2020-09-24 15:53:57,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:57,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-09-24 15:53:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:53:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,307 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:58,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:58,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:58,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:58,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 15:53:58,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:53:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:58,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:53:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:58,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:58,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:58,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:53:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:58,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:53:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:58,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:53:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:53:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:58,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:58,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:58,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 15:53:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:58,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:58,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:58,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-09-24 15:53:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:53:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-09-24 15:53:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-24 15:53:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:58,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-24 15:53:58,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993276630] [2020-09-24 15:53:58,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:53:58,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:53:58,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233894201] [2020-09-24 15:53:58,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:58,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:58,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:58,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:58,820 INFO L87 Difference]: Start difference. First operand 1055 states and 1152 transitions. Second operand 15 states. [2020-09-24 15:53:59,486 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:00,629 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:00,964 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:01,282 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:54:01,763 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:54:02,704 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 15:54:03,057 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-24 15:54:03,949 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:05,243 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:05,567 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:54:06,152 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-24 15:54:06,552 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:07,166 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:54:07,515 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 198